If is any real number and , then the graphs of and will have the following characteristics :
Amplitude : .
Period : .
Horizontal shift : .
Phase : .
The trigonometric function is .
Consider .
Compare the function with .
and .
Amplitude : .
Period : .
Horizontal shift : .
Phase : .
Draw a coordinate plane.
Graph the function .
Graph :
Amplitude : .
Period : .
Horizontal shift : .
Phase : .
Graph of the function is :
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